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[RFC,v2,0/5] drm: Extract DPCD backlight helpers from i915, add support in nouveau

Message ID 20210126001031.881048-1-lyude@redhat.com (mailing list archive)
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Series drm: Extract DPCD backlight helpers from i915, add support in nouveau | expand

Message

Lyude Paul Jan. 26, 2021, 12:10 a.m. UTC 
This series:
* Cleans up i915's DPCD backlight code a little bit
* Extracts i915's DPCD backlight code into a set of shared DRM helpers
* Starts using those helpers in nouveau to add support to nouveau for
  DPCD backlight control

v2 series-wide changes:
* Rebase

Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Dave Airlie <airlied@gmail.com>
Cc: greg.depoire@gmail.com

Lyude Paul (5):
  drm/nouveau/kms/nv40-/backlight: Assign prop type once
  drm/nouveau/kms: Don't probe eDP connectors more then once
  drm/i915/dp: Remove redundant AUX backlight frequency calculations
  drm/dp: Extract i915's eDP backlight code into DRM helpers
  drm/nouveau/kms/nv50-: Add basic DPCD backlight support for nouveau

 drivers/gpu/drm/drm_dp_helper.c               | 332 ++++++++++++++++++
 .../drm/i915/display/intel_display_types.h    |   2 +-
 .../drm/i915/display/intel_dp_aux_backlight.c | 315 ++---------------
 drivers/gpu/drm/nouveau/dispnv50/disp.c       |  30 +-
 drivers/gpu/drm/nouveau/nouveau_backlight.c   | 170 +++++++--
 drivers/gpu/drm/nouveau/nouveau_connector.c   |   6 +
 drivers/gpu/drm/nouveau/nouveau_connector.h   |   9 +-
 drivers/gpu/drm/nouveau/nouveau_encoder.h     |   1 +
 include/drm/drm_dp_helper.h                   |  48 +++
 9 files changed, 607 insertions(+), 306 deletions(-)